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path: root/drivers/acpi/apei/ghes.c
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Diffstat (limited to 'drivers/acpi/apei/ghes.c')
-rw-r--r--drivers/acpi/apei/ghes.c46
1 files changed, 29 insertions, 17 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index a66e00fe31fe..103acbbfcf9a 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -153,6 +153,7 @@ static void ghes_unmap(void __iomem *vaddr, enum fixed_addresses fixmap_idx)
int ghes_estatus_pool_init(int num_ghes)
{
unsigned long addr, len;
+ int rc;
ghes_estatus_pool = gen_pool_create(GHES_ESTATUS_POOL_MIN_ALLOC_ORDER, -1);
if (!ghes_estatus_pool)
@@ -164,7 +165,7 @@ int ghes_estatus_pool_init(int num_ghes)
ghes_estatus_pool_size_request = PAGE_ALIGN(len);
addr = (unsigned long)vmalloc(PAGE_ALIGN(len));
if (!addr)
- return -ENOMEM;
+ goto err_pool_alloc;
/*
* New allocation must be visible in all pgd before it can be found by
@@ -172,7 +173,19 @@ int ghes_estatus_pool_init(int num_ghes)
*/
vmalloc_sync_all();
- return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
+ rc = gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
+ if (rc)
+ goto err_pool_add;
+
+ return 0;
+
+err_pool_add:
+ vfree((void *)addr);
+
+err_pool_alloc:
+ gen_pool_destroy(ghes_estatus_pool);
+
+ return -ENOMEM;
}
static int map_gen_v2(struct ghes *ghes)
@@ -222,10 +235,10 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic)
goto err_unmap_read_ack_addr;
error_block_length = generic->error_block_length;
if (error_block_length > GHES_ESTATUS_MAX_SIZE) {
- pr_warning(FW_WARN GHES_PFX
- "Error status block length is too long: %u for "
- "generic hardware error source: %d.\n",
- error_block_length, generic->header.source_id);
+ pr_warn(FW_WARN GHES_PFX
+ "Error status block length is too long: %u for "
+ "generic hardware error source: %d.\n",
+ error_block_length, generic->header.source_id);
error_block_length = GHES_ESTATUS_MAX_SIZE;
}
ghes->estatus = kmalloc(error_block_length, GFP_KERNEL);
@@ -483,7 +496,7 @@ static void ghes_do_proc(struct ghes *ghes,
int sev, sec_sev;
struct acpi_hest_generic_data *gdata;
guid_t *sec_type;
- guid_t *fru_id = &NULL_UUID_LE;
+ const guid_t *fru_id = &guid_null;
char *fru_text = "";
sev = ghes_severity(estatus->error_severity);
@@ -735,8 +748,8 @@ static void ghes_add_timer(struct ghes *ghes)
unsigned long expire;
if (!g->notify.poll_interval) {
- pr_warning(FW_WARN GHES_PFX "Poll interval is 0 for generic hardware error source: %d, disabled.\n",
- g->header.source_id);
+ pr_warn(FW_WARN GHES_PFX "Poll interval is 0 for generic hardware error source: %d, disabled.\n",
+ g->header.source_id);
return;
}
expire = jiffies + msecs_to_jiffies(g->notify.poll_interval);
@@ -1142,21 +1155,20 @@ static int ghes_probe(struct platform_device *ghes_dev)
}
break;
case ACPI_HEST_NOTIFY_LOCAL:
- pr_warning(GHES_PFX "Generic hardware error source: %d notified via local interrupt is not supported!\n",
- generic->header.source_id);
+ pr_warn(GHES_PFX "Generic hardware error source: %d notified via local interrupt is not supported!\n",
+ generic->header.source_id);
goto err;
default:
- pr_warning(FW_WARN GHES_PFX "Unknown notification type: %u for generic hardware error source: %d\n",
- generic->notify.type, generic->header.source_id);
+ pr_warn(FW_WARN GHES_PFX "Unknown notification type: %u for generic hardware error source: %d\n",
+ generic->notify.type, generic->header.source_id);
goto err;
}
rc = -EIO;
if (generic->error_block_length <
sizeof(struct acpi_hest_generic_status)) {
- pr_warning(FW_BUG GHES_PFX "Invalid error block length: %u for generic hardware error source: %d\n",
- generic->error_block_length,
- generic->header.source_id);
+ pr_warn(FW_BUG GHES_PFX "Invalid error block length: %u for generic hardware error source: %d\n",
+ generic->error_block_length, generic->header.source_id);
goto err;
}
ghes = ghes_new(generic);
@@ -1168,7 +1180,7 @@ static int ghes_probe(struct platform_device *ghes_dev)
switch (generic->notify.type) {
case ACPI_HEST_NOTIFY_POLLED:
- timer_setup(&ghes->timer, ghes_poll_func, TIMER_DEFERRABLE);
+ timer_setup(&ghes->timer, ghes_poll_func, 0);
ghes_add_timer(ghes);
break;
case ACPI_HEST_NOTIFY_EXTERNAL:
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